#include<stdio.h>

int a[]={0,1,2,5,8,7,6,3};
int b[9];
int c[9];
int count=0;
int main()
{
    int i,j,k,t;
    void print();
    printf("Please enter original order of digits 1~8:");
    for(i=0;i<8;i++)
    scanf("%d",&b[a[i]]);
    printf("The sorting process is as felow:\n");
    print();
    for(t=-1,j=0;j<8&&t==-1;j++)
    if(b[a[j]]==1) t=j;
    for(j=0;j<8;j++)
    c[j]=a[(j+t)%8];
    for(i=2;i<9;i++)
    for(j=i-1;j<8;j++)
    if(b[c[j]]==i&&j!=i-1){
        b[4]=i;
        b[c[j]]=0; print();
        for(k=j;k!=i-1;k--) {
            b[c[k]]=b[c[k-1]];
            b[c[k-1]]=0;
            print();
        }
        b[c[k]]=i;
        b[4]=0;
        print();
        break;
    }
    else if(b[c[j]]==1) break;
}

void print(void)
{
    int c;
    for(c=0;c<9;c++)
    if(c%3==2) printf("%d\t",b[c]);
    else  printf("%2d",b[c]);
    printf("---%2d---\n",count++);
}